create table ACT_HI_VARINST (
    ID_ NVARCHAR2(64) not null,
    PROC_INST_ID_ NVARCHAR2(64),
    EXECUTION_ID_ NVARCHAR2(64),
    TASK_ID_ NVARCHAR2(64),
    NAME_ NVARCHAR2(255) not null,
    VAR_TYPE_ NVARCHAR2(100),
    REV_ INTEGER,
    BYTEARRAY_ID_ NVARCHAR2(64),
    DOUBLE_ NUMBER(*,10),
    LONG_ NUMBER(19,0),
    TEXT_ NVARCHAR2(2000),
    TEXT2_ NVARCHAR2(2000),
    primary key (ID_)
);

create index ACT_IDX_HI_PROCVAR_PROC_INST on ACT_HI_VARINST(PROC_INST_ID_);
create index ACT_IDX_HI_PROCVAR_NAME_TYPE on ACT_HI_VARINST(NAME_, VAR_TYPE_);

alter table ACT_HI_ACTINST
add TASK_ID_ NVARCHAR2(64);

alter table ACT_HI_ACTINST
add CALL_PROC_INST_ID_ NVARCHAR2(64);

alter table ACT_HI_DETAIL
	modify PROC_INST_ID_ NVARCHAR2(64) null;

alter table ACT_HI_DETAIL
	modify EXECUTION_ID_ NVARCHAR2(64) null;
	
create index ACT_IDX_HI_ACT_INST_PROCINST on ACT_HI_ACTINST(PROC_INST_ID_, ACT_ID_);